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