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)(11,16)(12,15)(13,14)(18,22)(19,20)(25,26,29,31)(27,28,32,30)(1,3,5,7)(2,4,6,8)(10,14)(11,12)(17,18,21,22)(19,23,20,24)(25,26,29,31)(27,28,32,30)(2,6)(3,7)(9,11,13,12)(10,15,14,16)(17,19,21,20)(18,23,22,24)(25,27,29,32)(26,30,31,28)(1,2)(3,4)(5,6)(7,8)(9,12,13,11)(10,15,14,16)(17,20,21,19)(18,23,22,24)(25,27)(26,28)(29,32)(30,31)(1,4)(2,3)(5,8)(6,7)(9,10)(11,16)(12,15)(13,14)(17,18)(19,24)(20,23)(21,22)(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.