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