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