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