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