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