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