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