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