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