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