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