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