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