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