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