One vertex per element, one color per generator, with an edge from x to x·s.
(2,5)(6,8)(9,10,14,11,13,16,12,15)(17,18)(19,26)(20,23)(21,25)(22,30)(24,28)(27,32)(29,31)(1,2)(3,6)(4,5)(7,8)(9,11,14,16,13,15,12,10)(19,27)(22,31)(26,32)(29,30)(1,3,4,7)(2,6,5,8)(9,12,13,14)(10,15,16,11)(17,19,28,29,21,27,20,30)(18,22,23,32,25,31,24,26)(2,5)(6,8)(10,16)(11,15)(17,20,21,28)(18,23,25,24)(19,29,27,30)(22,26,31,32)A Cayley diagram is a choice, not a fact about the group. Another drawing of this group — in a book, or on a different generating set — may look nothing like this one.