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