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