One vertex per element, one color per generator, with an edge from x to x·s.
(2,4)(9,10,13,16)(11,14,12,15)(17,18)(19,26)(20,23)(21,24)(22,25)(27,32)(28,29)(30,31)(1,2,3,4)(5,6)(7,8)(9,11,13,12)(10,14,16,15)(17,19,26,18,22,24,21,25)(20,28,32,31,30,27,29,23)(6,8)(9,11,13,12)(10,15,16,14)(17,20,22,30)(18,23,25,31)(19,27,24,28)(21,29,26,32)(2,4)(9,12,13,11)(10,15,16,14)(18,24)(19,25)(21,26)(23,28)(27,31)(29,32)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.