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