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