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