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