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