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