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