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