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