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