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