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