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)(20,28)(24,29)(26,32)(30,31)(33,34)(35,40)(36,42)(37,47)(38,44)(39,41)(43,45)(46,48)(2,6)(7,9)(8,12)(14,15)(17,18)(19,23)(20,24)(21,22)(25,27)(26,30)(28,29)(31,32)(33,35,39,44)(34,40,41,38)(36,45,46,37)(42,43,48,47)(2,6)(7,9)(8,12)(14,15)(18,22)(23,25)(24,29)(30,31)(34,41)(35,44)(36,46)(43,47) involution — undirected(1,2)(3,9)(4,8)(5,6)(7,11)(10,15)(12,13)(14,16)(17,18)(19,25)(20,24)(21,22)(23,27)(26,31)(28,29)(30,32)(33,36,39,46)(34,42,41,48)(35,37,44,45)(38,43,40,47)(1,3,5,11)(2,7,6,9)(4,10,13,16)(8,14,12,15)(17,19)(18,23)(20,26)(21,27)(22,25)(24,30)(28,32)(29,31)(33,37)(34,43)(35,36)(38,42)(39,45)(40,48)(41,47)(44,46)(1,4,5,13)(2,8,6,12)(3,10,11,16)(7,14,9,15)(17,20)(18,24)(19,26)(21,28)(22,29)(23,30)(25,31)(27,32)(33,38)(34,35)(36,43)(37,42)(39,40)(41,44)(45,48)(46,47)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.