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