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