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