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