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