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