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