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