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