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