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