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