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