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