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