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