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