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