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