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