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