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