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