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