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