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