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