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