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