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