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