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