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