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