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