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