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