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