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