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