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