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)(19,26)(20,24)(21,23)(22,27)(25,29)(28,31)(30,32)(33,34,36,39,37,40,43,46)(35,38,42,45,41,44,47,48)(1,3,5,11)(2,6,8,9)(4,12,13,10)(7,15,16,14)(17,19,20,27)(18,22,24,26)(21,28,29,32)(23,30,25,31)(33,35)(34,38)(36,42)(37,41)(39,45)(40,44)(43,47)(46,48)(1,4,5,13)(2,7,8,16)(3,10,11,12)(6,14,9,15)(18,23)(21,29)(22,30)(24,25)(26,31)(28,32)(2,8)(6,9)(7,16)(14,15)(18,24)(19,27)(23,25)(28,32)(35,41)(38,44)(42,47)(45,48) 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.