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