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