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