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