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