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