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