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