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