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)(19,25)(20,24)(21,23)(22,29)(26,30)(27,31)(28,32)(33,34)(35,39)(36,41)(37,44)(38,43)(40,46)(42,48)(45,47) involution — undirected(1,2,6,3)(4,9,11,7)(5,8,13,10)(12,15,16,14)(18,21)(24,25)(26,29)(31,32)(33,35,38,46)(34,39,43,40)(36,44,47,42)(37,45,48,41)(17,19,23,20)(18,24,21,25)(22,27,30,28)(26,31,29,32)(33,35)(34,40)(36,44)(37,45)(38,46)(39,43)(41,48)(42,47)(1,3,6,2)(4,7,11,9)(5,8,13,10)(12,15,16,14)(17,20,23,19)(18,25,21,24)(22,27,30,28)(26,31,29,32)(33,36)(34,41)(35,44)(37,39)(38,47)(40,48)(42,46)(43,45)(1,4,6,11)(2,7,3,9)(5,12,13,16)(8,14,10,15)(17,21,23,18)(19,25,20,24)(22,29,30,26)(27,32,28,31)(33,35)(34,40)(36,44)(37,45)(38,46)(39,43)(41,48)(42,47)(1,5)(2,8)(3,10)(4,12)(6,13)(7,14)(9,15)(11,16)(17,22,23,30)(18,26,21,29)(19,27,20,28)(24,31,25,32)(33,37,38,48)(34,42,43,44)(35,45,46,41)(36,40,47,39)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.