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