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