You could use following graph to get the specific version of a file.
https://graph.microsoft.com/v1.0/sites/{site-id}/lists/{list-id}/items/{item-id}/versions/{version-id}
Example:
If the answer is helpful, please click "Accept Answer" and kindly upvote it. If you have extra questions about this answer, please click "Comment".
Note: Please follow the steps in our documentation to enable e-mail notifications if you want to receive the related email notification for this thread.