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