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