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