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