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