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