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