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