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