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