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