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