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