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