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