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