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