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