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