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