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