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