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