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)(11,12)(13,15)(14,16)(17,18,21,24)(19,23,20,22)(1,3)(2,6)(4,7)(5,8)(9,11,13,16)(10,14,15,12)(19,20)(22,23)(26,30)(31,32)(3,8)(6,7)(10,15)(12,14)(17,19,21,20)(18,22,24,23)(25,26,29,30)(27,31,28,32)(1,3)(2,7)(4,6)(5,8)(9,12,13,14)(10,11,15,16)(17,20,21,19)(18,23,24,22)(25,27,29,28)(26,31,30,32)(1,4,5,2)(3,6,8,7)(9,11)(10,14)(12,15)(13,16)(17,18)(19,22)(20,23)(21,24)(25,28,29,27)(26,32,30,31)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.