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