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