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