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