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