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