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