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