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