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