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