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