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