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