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