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