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