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