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)(19,28)(20,26)(21,24)(22,34)(23,37)(25,31)(27,36)(29,45)(30,44)(32,40)(33,47)(35,41)(38,43)(39,46)(42,48)(1,3,5,8,6,13,15,16)(2,7,9,11,10,4,12,14)(18,24)(25,39)(26,37)(27,40)(28,44)(34,47)(41,42)(43,45)(1,4)(2,8)(3,12)(5,14)(6,7)(9,13)(10,16)(11,15)(17,19)(18,25)(20,29)(21,30)(22,35)(23,38)(24,39)(26,41)(27,43)(28,34)(31,36)(32,46)(33,48)(37,42)(40,45)(44,47) involution — undirected(3,13)(4,7)(8,16)(11,14)(17,20,21,23)(18,26,24,37)(19,29,30,38)(22,32,33,36)(25,41,39,42)(27,34,40,47)(28,45,44,43)(31,35,46,48)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.