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