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