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