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