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