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