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