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