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