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