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