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