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)(19,25)(20,34)(21,27)(22,28)(23,38)(24,29)(26,35)(30,40)(31,41)(32,47)(33,42)(36,44)(37,43)(39,45)(46,48)(1,2)(3,7)(4,6)(5,8)(9,11,14,15)(10,13,16,12)(17,19)(18,25)(20,30)(21,36)(22,31)(23,32)(24,33)(26,39)(27,44)(28,41)(29,42)(34,40)(35,45)(37,46)(38,47)(43,48)(1,3)(2,5)(4,8)(6,7)(9,10)(11,12)(13,15)(14,16)(17,20,24,21)(18,26,29,43)(19,30,33,36)(22,35,23,37)(25,39,42,48)(27,38,34,28)(31,45,32,46)(40,41,44,47)(2,6)(3,8)(9,12,14,13)(10,15,16,11)(17,21,24,20)(18,27,29,34)(19,30,33,36)(22,35,23,37)(25,40,42,44)(26,38,43,28)(31,46,32,45)(39,41,48,47)(2,6)(5,7)(9,13,14,12)(10,15,16,11)(17,22,24,23)(18,28,29,38)(19,31,33,32)(20,35,21,37)(25,41,42,47)(26,27,43,34)(30,45,36,46)(39,44,48,40)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.