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