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