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