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