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