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