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