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