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