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