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