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