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