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