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