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