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