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