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