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