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