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