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