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