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