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