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