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