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