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