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