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