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