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