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