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