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