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