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