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