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