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