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