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