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