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