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