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)(20,31,33,24)(21,34)(22,26)(23,29)(25,35)(28,41,43,39)(30,40)(32,38,47,46)(36,42,45,48)(37,44)(1,3,4,12,6,11,5,13)(2,7,8,10,9,15,14,16)(17,19,21,29,22,30,35,44)(18,23,25,27,26,37,34,40)(20,28,32,42,33,43,47,48)(24,36,38,39,31,45,46,41)(17,20,22,33)(18,24,26,31)(19,28,30,43)(21,32,35,47)(23,36,37,45)(25,38,34,46)(27,39,40,41)(29,42,44,48)(3,11)(7,15)(10,16)(12,13) 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.