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