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