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