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