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