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