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