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