There is no easy and integrated way to get the guest list of a Facebook Event anymore. You can view the list of “attendees”, but you just get a small box with no possibility to export it without additional tools. Especially with hundreds of people attending, the list that Facebook offers does not help you at all to get an overview:
In this article, i will show you how to get Albums/Photos with the Graph API. For User Albums you will need an Access Token, for Pages it´s pretty easy and you don´t even need an App.