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