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