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