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