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