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