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)(17,18,23,26)(19,21,25,22)(20,27,30,28)(24,31,32,29)(1,2,4,6,5,7,12,13)(3,9,11,16,10,8,15,14)(17,19,21,26,23,25,22,18)(20,28,29,24,30,27,31,32)(2,7)(6,13)(8,9)(14,16)(17,20,23,30)(18,24,26,32)(19,27,25,28)(21,29,22,31)(1,3,5,10)(2,8,7,9)(4,11,12,15)(6,14,13,16)(17,21,23,22)(18,25,26,19)(20,29,30,31)(24,28,32,27)(3,10)(8,9)(11,15)(14,16) 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.