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