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