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