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