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