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