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