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