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