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