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