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