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