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