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