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