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