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