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