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