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