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