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