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