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