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