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