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