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