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