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