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