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