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