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