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