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