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