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