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