
Currently using Graph API you can use List drive item permissions or List sites permissions.
GET /sites/{siteId}/drive/items/{itemId}/permissions
GET https://graph.microsoft.com/v1.0/sites/{sitesId}/permissions
To Get permission for SharePoint lists is not yet supported.
Since this feature/functionality is presently not available, you can upvote this feature request idea using this support link, which will be monitored by Microsoft team and make the enhancements to Microsoft Graph APIs.
I will also upvote for you.
Hope this helps.
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