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