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