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