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