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