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