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