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