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