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