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)(17,18,23,24)(19,20,22,21)(25,26,29,28)(27,30,32,31)(1,3,6,5)(2,7,4,8)(9,10,13,12)(11,14,16,15)(17,19,23,22)(18,21,24,20)(25,27,29,32)(26,30,28,31)(3,5)(7,8)(10,12)(14,15)(17,20,23,21)(18,19,24,22)(25,27)(26,30)(28,31)(29,32)(1,4,6,2)(3,7,5,8)(9,11,13,16)(10,14,12,15)(17,21,23,20)(18,19,24,22)(1,5,6,3)(2,7,4,8)(9,12,13,10)(11,15,16,14)(17,22,23,19)(18,20,24,21)(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.