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