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