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