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