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