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