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