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