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