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)(11,15)(12,14)(13,16)(17,18)(19,20)(21,23)(22,24)(27,32)(28,31)(1,3,6,4)(2,7,5,8)(9,10,12,14)(11,13,16,15)(17,19,22,21)(18,23,24,20)(25,26,30,29)(27,31,32,28)(1,3,6,4)(2,8,5,7)(9,10)(11,13)(12,14)(15,16)(17,20,22,23)(18,19,24,21)(25,27,30,32)(26,31,29,28)(1,4,6,3)(2,7,5,8)(9,11)(10,13)(12,16)(14,15)(17,21,22,19)(18,23,24,20)(25,28)(26,27)(29,32)(30,31)(1,5,6,2)(3,7,4,8)(9,10)(11,13)(12,14)(15,16)(17,18)(19,20)(21,23)(22,24)(25,29,30,26)(27,28,32,31)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.