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