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