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