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