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)(17,18,23,26)(19,24,21,25)(20,22,30,32)(27,28,29,31)(1,3,5,8)(2,6,4,7)(9,10,12,13)(11,16,15,14)(17,19,23,21)(18,24,26,25)(20,27,30,29)(22,28,32,31)(1,2,5,4)(3,6,8,7)(9,10)(11,14)(12,13)(15,16)(17,20,22,26,23,30,32,18)(19,27,28,25,21,29,31,24)(3,8)(6,7)(10,13)(14,16)(17,21,23,19)(18,25,26,24)(20,29,30,27)(22,31,32,28)(1,4,5,2)(3,7,8,6)(9,11,12,15)(10,14,13,16)(19,21)(24,25)(27,29)(28,31)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.