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