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