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