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