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