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