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