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