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