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