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