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)(17,18,22,26,23,27,21,24)(19,20,29,30,28,32,25,31)(1,3)(2,5)(4,8)(6,7)(9,10)(11,15)(12,14)(13,16)(18,24)(19,28)(20,30)(21,22)(26,27)(31,32) involution — undirected(2,6)(5,7)(9,11,12,16)(10,13,14,15)(17,19)(18,20)(21,25)(22,29)(23,28)(24,31)(26,30)(27,32)(3,8)(5,7)(11,16)(13,15)(17,20,22,30,23,32,21,31)(18,25,26,19,27,29,24,28)(10,14)(13,15)(17,21,23,22)(18,26,27,24)(19,29,28,25)(20,31,32,30)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.