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