Check out this link:
http://msdn.microsoft.com/library/default.asp?url=/library/en-us/fox7help/html/sammanipulate_display_characteristics_of_a_graph.asp

Graph is stored in a general field and can be saved or printed.

When using this method remember that Micosoft Office needs to be installed on the client's computer, there is no distributable dll or ocx that I know of
Cheers
John