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