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