You are able to use Snazzy Maps styles (https://snazzymaps.com/) to style the map for each location. You can also customize the Snazzy Maps and use a customized style.

First head to Snazzy Maps and search for your desired style. Click on the style you want to use.

For example this style: https://snazzymaps.com/style/134/light-dream

Copy the entire code shown under JavaScript Style Array.

[
    {
        "featureType": "landscape",
        "stylers": [
            {
                "hue": "#FFBB00"
            },
            {
                "saturation": 43.400000000000006
            },
            {
                "lightness": 37.599999999999994
            },
            {
                "gamma": 1
            }
        ]
    },
    {
        "featureType": "road.highway",
        "stylers": [
            {
                "hue": "#FFC200"
            },
            {
                "saturation": -61.8
            },
            {
                "lightness": 45.599999999999994
            },
            {
                "gamma": 1
            }
        ]
    },
    {
        "featureType": "road.arterial",
        "stylers": [
            {
                "hue": "#FF0300"
            },
            {
                "saturation": -100
            },
            {
                "lightness": 51.19999999999999
            },
            {
                "gamma": 1
            }
        ]
    },
    {
        "featureType": "road.local",
        "stylers": [
            {
                "hue": "#FF0300"
            },
            {
                "saturation": -100
            },
            {
                "lightness": 52
            },
            {
                "gamma": 1
            }
        ]
    },
    {
        "featureType": "water",
        "stylers": [
            {
                "hue": "#0078FF"
            },
            {
                "saturation": -13.200000000000003
            },
            {
                "lightness": 2.4000000000000057
            },
            {
                "gamma": 1
            }
        ]
    },
    {
        "featureType": "poi",
        "stylers": [
            {
                "hue": "#00FF6A"
            },
            {
                "saturation": -1.0989010989011234
            },
            {
                "lightness": 11.200000000000017
            },
            {
                "gamma": 1
            }
        ]
    }
]

Head to Nearby Places > Locations and edit a location. In the Custom Map Style tab, paste the code you copied:

Update and visit the page where you are displaying the nearby places.