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