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