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