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