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