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