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