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