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