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)(17,18,22,26,21,25,23,20)(19,27,32,28,30,24,31,29)(1,2,4,5)(3,6,7,8)(17,18,23,20,21,25,22,26)(19,28,32,24,30,29,31,27)(1,3)(2,6)(4,7)(5,8)(9,11,13,12)(10,14,15,16)(17,19,21,30)(18,24,25,27)(20,28,26,29)(22,32,23,31)(3,7)(6,8)(9,12,13,11)(10,14,15,16)(17,20,23,25,21,26,22,18)(19,29,31,24,30,28,32,27)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.