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