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