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