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