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