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