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