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