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