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