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