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