One vertex per element, one color per generator, with an edge from x to x·s.
(2,4,8)(3,7,15)(5,11,23)(6,13,20)(9,19,17)(10,22,31)(12,26,44)(14,30,18)(16,33,32)(21,38,37)(24,40,34)(25,43,29)(27,45,47)(28,41,35)(36,39,46)(42,49,48)(50,51,53,52,54,56,55,57,58)(1,45,30,40,25,24,48,7,6,5,49,18,17,26,15,23,10,9,27,39,19,33,43,29,28,11,37,38,3,2,47,46,8,42,41,16,14,4,12,22,35,34,32,31,13,21,20,44,36)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.