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