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