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