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