One vertex per element, one color per generator, with an edge from x to x·s.
(2,5)(6,8)(9,10)(11,13)(12,14)(15,16)(17,18,23,29)(19,31,35,25)(20,37,21,27)(22,30,24,28)(26,39,45,38)(32,41,33,46)(34,42,36,43)(40,47,44,48)(1,2)(3,6)(4,5)(7,8)(9,10)(11,15)(12,14)(13,16)(17,19,23,35)(18,25,29,31)(20,33,21,32)(22,34,24,36)(26,44,45,40)(27,46,37,41)(28,42,30,43)(38,48,39,47)(9,11)(10,13)(12,16)(14,15)(17,20,23,21)(18,26,29,45)(19,32,35,33)(22,38,24,39)(25,40,31,44)(27,28,37,30)(34,47,36,48)(41,42,46,43)(2,5)(6,8)(11,16)(13,15)(17,21,23,20)(18,27,29,37)(19,33,35,32)(22,38,24,39)(25,41,31,46)(26,28,45,30)(34,47,36,48)(40,42,44,43)(1,3,4,7)(2,6,5,8)(10,14)(13,15)(17,22,23,24)(18,28,29,30)(19,34,35,36)(20,38,21,39)(25,42,31,43)(26,37,45,27)(32,47,33,48)(40,46,44,41)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.